68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
/* $NetBSD: imx51_i2c.c,v 1.1 2014/07/25 07:07:47 hkenken Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2012 Genetec Corporation. All rights reserved.
|
|
* Written by Hashimoto Kenichi for Genetec Corporation.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: imx51_i2c.c,v 1.1 2014/07/25 07:07:47 hkenken Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/device.h>
|
|
|
|
#include "opt_imx.h"
|
|
|
|
#include <arm/imx/imxi2cvar.h>
|
|
#include <arm/imx/imx51reg.h>
|
|
#include <arm/imx/imx51var.h>
|
|
#include <arm/imx/imx51_ccmvar.h>
|
|
|
|
int
|
|
imxi2c_match(device_t parent, cfdata_t cf, void *aux)
|
|
{
|
|
if (strcmp(cf->cf_name, "imxi2c") == 0)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
imxi2c_attach(device_t parent, device_t self, void *aux)
|
|
{
|
|
struct axi_attach_args * aa = aux;
|
|
struct imxi2c_softc *sc = device_private(self);
|
|
struct i2cbus_attach_args iba;
|
|
|
|
imxi2c_attach_common(parent, self,
|
|
aa->aa_iot, aa->aa_addr, aa->aa_size, aa->aa_irq, 0);
|
|
|
|
imxi2c_set_freq(self, imx51_get_clock(IMX51CLK_PERCLK_ROOT), 400000);
|
|
|
|
memset(&iba, 0, sizeof(iba));
|
|
iba.iba_tag = &sc->sc_i2c;
|
|
config_found_ia(sc->sc_dev, "i2cbus", &iba, iicbus_print);
|
|
}
|